CVE-2026-46180: Linux vulnerability

CVE-2026-46180: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().

UnknownCVSS not scoredNot KEV-listedUpdatedOct 15, 2026, 01:21 UTC (UTC+00:00)

Potential ATT&CK relevance

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CVE-2026-46180 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 28, 2026, 09:36 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

1ADP providers

10Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
May 13, 2026, 15:03 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
May 28, 2026, 09:36 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 15, 2026, 01:21 UTC (UTC+00:00)

ADP provider summaries

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5aCVE reference, Linux
https://git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88CVE reference, Linux
https://git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615CVE reference, Linux
https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265CVE reference, Linux
https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03CVE reference, Linux
https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366CVE reference, Linux
https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803cCVE reference, Linux
https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143CVE reference, Linux
https://cert-portal.siemens.com/productcert/html/ssa-784472.htmlCVE reference, siemens-SADP

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinuxa9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26, a9ffda88be7416b8336f644806c2b3ed3ce08b26unaffected

LinuxLinux3.3, 0, 5.10.259, 5.15.210, 6.1.176, 6.6.140, 6.12.88, 6.18.30, 7.0.7, 7.1affected

Weakness

CWE details

No CWE listed

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